- Marathon is a fight for survival against the Pfhor, an alien race attacking your colony ship. Story fans: Follow the Marathon trilogy from the start with this Aleph One conversion.
- In Marathon 2: Durandal, you and other survivors hunt for an ancient ally to topple the Pfhor empire. Solo play: Marathon 2 has a popular single player campaign and updated graphics from the XBLA remake.
- Marathon Infinity forces you to rewrite history to prevent the destruction of the universe. Online play: Most multiplayer online matches are played with Infinity.
Free Game: Marathon game trilogy